Nathan James Leu, M.D.
Clinical Genetics (M.D.) Physician · Portland, ME
Nathan James Leu, M.D. is a clinical genetics (m.d.) physician with a practice address in Portland, Maine, and NPI 1386602290, issued on May 2, 2006. Check the license (Maine MD22180, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Nathan James Leu
- Credential
- M.D.
- Primary taxonomy
- Clinical Genetics (M.D.) Physician 207SG0201X
- License numbers
- MD22180 ME
D80007 MD
35073229 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1577 Congress St, Portland, ME 04102
- Phone
- (207) 662-5522
- Enumerated
- May 2, 2006
- Record last updated
- Jun 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (207) 774-1814
- Entity
- Type 1 · individual
4 nearest clinical genetics (m.d.) physician records → All 5 in Maine → Look up another NPI →
Also registered at 1577 Congress St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Elizabeth Barker, PH.D.School Psychologist1033584883
- James BohnhoffPediatrics Physician1194188045
- Holly Bresnahan, RDRegistered Dietitian1376243733
- Catherine Curry, MDPediatrics Physician1376777136
- Victoria Dalzell, MDDevelopmental - Behavioral Pediatrics Physician1811081458
Verify Nathan James Leu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD22180Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $32.71
1 payment: food and beverage; the largest payer was Rhythm Pharmaceuticals, Inc. The 306 providers of this specialty with any payment received $12,333.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Clinical Genetics (M.D.) Physician providers in Maine
There are 5 clinical genetics (m.d.) physician records in Maine.
All 5 in Maine → Every provider in Portland → Clinical Genetics (M.D.) Physician nationwide →
The 4 clinical genetics (m.d.) physician records with the nearest ZIP codes
- Rosemarie Smith, MDPortland, ME 041021104976638
- Wendy Smith, MDPortland, ME 041021730239153
- Judith Hiemenga, MDScarborough, ME 040741578581377
- Owen Buck, MDLewiston, ME 042401093871956
Common questions
What is Nathan James Leu, M.D.'s NPI number?
Nathan James Leu, M.D.'s National Provider Identifier (NPI) is 1386602290, issued on May 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nathan James Leu, M.D. located?
The NPPES record lists a practice address at 1577 Congress St, Portland, ME, 04102. Phone: (207) 662-5522. Providers update this record themselves, so call before visiting.
How can I verify Nathan James Leu, M.D.'s license?
NPPES lists Maine license number MD22180, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.